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A230173
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Number of nX5 0..2 arrays x(i,j) with each element horizontally, vertically, diagonally or antidiagonally next to at least one element with value 2-x(i,j)
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1
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15, 10211, 1637019, 284444079, 49754476927, 8666440899433, 1514677019365483, 264644708761844781, 46219801332800121297, 8072805292655435557305, 1410066823439995419927677, 246292114172239867332919195
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=3
..0..0..0..0..1....0..0..1..1..0....0..0..1..1..1....0..0..1..2..2
..2..2..2..2..1....1..2..0..0..2....0..2..1..0..2....2..1..1..0..0
..0..0..0..0..0....1..0..1..1..2....2..2..2..0..0....0..1..1..2..0
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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